diff --git a/candle.go b/candle.go
index fea3d9d..a5bfdb5 100644
--- a/candle.go
+++ b/candle.go
@@ -19,19 +19,20 @@ import (
 )
 
 type Candle struct {
-	Id        string `json:"_id"`
-	core      *Core
-	InstID    string
-	Period    string
-	Data      []interface{}
-	From      string
-	Timestamp time.Time
-	Open      float64
-	High      float64
-	Low       float64
-	Close     float64
-	VolCcy    float64
-	Confirm   bool
+	Id         string `json:"_id"`
+	core       *Core
+	InstID     string
+	Period     string
+	Data       []interface{}
+	From       string
+	Timestamp  time.Time
+	LastUpdate time.Time `json:"lastUpdate"`
+	Open       float64
+	High       float64
+	Low        float64
+	Close      float64
+	VolCcy     float64
+	Confirm    bool
 }
 type Sample interface {
 	SetToKey(cr *Core) ([]interface{}, error)
diff --git a/maX.go b/maX.go
index 781fc8a..e4410ee 100644
--- a/maX.go
+++ b/maX.go
@@ -18,15 +18,16 @@ type MaXList struct {
 }
 
 type MaX struct {
-	InstID    string        `json:"instID"`
-	Period    string        `json:"period"`
-	Timestamp time.Time     `json:"timestamp"`
-	KeyName   string        `json:"keyName"`
-	Data      []interface{} `json:"data"`
-	Count     int           `json:"count,number"`
-	Ts        int64         `json:"ts,number"`
-	AvgVal    float64       `json:"avgVal,number"`
-	From      string        `json:"from,string"`
+	InstID     string        `json:"instID"`
+	Period     string        `json:"period"`
+	Timestamp  time.Time     `json:"timestamp"`
+	LastUpdate time.Time     `json:"lastUpdate"`
+	KeyName    string        `json:"keyName"`
+	Data       []interface{} `json:"data"`
+	Count      int           `json:"count,number"`
+	Ts         int64         `json:"ts,number"`
+	AvgVal     float64       `json:"avgVal,number"`
+	From       string        `json:"from,string"`
 }
 
 type WillMX struct {